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https://github.com/openssl/openssl.git
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0aa25a68c0
Reviewed-by: Matt Caswell <matt@openssl.org> Reviewed-by: Rich Salz <rsalz@openssl.org> (Merged from https://github.com/openssl/openssl/pull/1300)
227 lines
6.0 KiB
C
227 lines
6.0 KiB
C
/*
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* Copyright 1999-2016 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the OpenSSL license (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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*/
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#include <stdio.h>
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#include "internal/cryptlib.h"
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#include <openssl/conf.h>
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#include <openssl/asn1.h>
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#include <openssl/asn1t.h>
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#include <openssl/x509v3.h>
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#include "ext_dat.h"
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/* Support for Thawte strong extranet extension */
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#define SXNET_TEST
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static int sxnet_i2r(X509V3_EXT_METHOD *method, SXNET *sx, BIO *out,
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int indent);
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#ifdef SXNET_TEST
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static SXNET *sxnet_v2i(X509V3_EXT_METHOD *method, X509V3_CTX *ctx,
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STACK_OF(CONF_VALUE) *nval);
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#endif
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const X509V3_EXT_METHOD v3_sxnet = {
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NID_sxnet, X509V3_EXT_MULTILINE, ASN1_ITEM_ref(SXNET),
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0, 0, 0, 0,
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0, 0,
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0,
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#ifdef SXNET_TEST
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(X509V3_EXT_V2I)sxnet_v2i,
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#else
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0,
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#endif
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(X509V3_EXT_I2R)sxnet_i2r,
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0,
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NULL
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};
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ASN1_SEQUENCE(SXNETID) = {
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ASN1_SIMPLE(SXNETID, zone, ASN1_INTEGER),
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ASN1_SIMPLE(SXNETID, user, ASN1_OCTET_STRING)
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} ASN1_SEQUENCE_END(SXNETID)
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IMPLEMENT_ASN1_FUNCTIONS(SXNETID)
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ASN1_SEQUENCE(SXNET) = {
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ASN1_SIMPLE(SXNET, version, ASN1_INTEGER),
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ASN1_SEQUENCE_OF(SXNET, ids, SXNETID)
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} ASN1_SEQUENCE_END(SXNET)
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IMPLEMENT_ASN1_FUNCTIONS(SXNET)
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static int sxnet_i2r(X509V3_EXT_METHOD *method, SXNET *sx, BIO *out,
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int indent)
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{
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long v;
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char *tmp;
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SXNETID *id;
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int i;
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v = ASN1_INTEGER_get(sx->version);
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BIO_printf(out, "%*sVersion: %ld (0x%lX)", indent, "", v + 1, v);
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for (i = 0; i < sk_SXNETID_num(sx->ids); i++) {
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id = sk_SXNETID_value(sx->ids, i);
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tmp = i2s_ASN1_INTEGER(NULL, id->zone);
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BIO_printf(out, "\n%*sZone: %s, User: ", indent, "", tmp);
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OPENSSL_free(tmp);
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ASN1_STRING_print(out, id->user);
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}
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return 1;
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}
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#ifdef SXNET_TEST
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/*
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* NBB: this is used for testing only. It should *not* be used for anything
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* else because it will just take static IDs from the configuration file and
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* they should really be separate values for each user.
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*/
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static SXNET *sxnet_v2i(X509V3_EXT_METHOD *method, X509V3_CTX *ctx,
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STACK_OF(CONF_VALUE) *nval)
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{
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CONF_VALUE *cnf;
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SXNET *sx = NULL;
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int i;
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for (i = 0; i < sk_CONF_VALUE_num(nval); i++) {
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cnf = sk_CONF_VALUE_value(nval, i);
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if (!SXNET_add_id_asc(&sx, cnf->name, cnf->value, -1))
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return NULL;
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}
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return sx;
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}
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#endif
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/* Strong Extranet utility functions */
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/* Add an id given the zone as an ASCII number */
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int SXNET_add_id_asc(SXNET **psx, const char *zone, const char *user, int userlen)
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{
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ASN1_INTEGER *izone;
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if ((izone = s2i_ASN1_INTEGER(NULL, zone)) == NULL) {
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X509V3err(X509V3_F_SXNET_ADD_ID_ASC, X509V3_R_ERROR_CONVERTING_ZONE);
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return 0;
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}
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return SXNET_add_id_INTEGER(psx, izone, user, userlen);
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}
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/* Add an id given the zone as an unsigned long */
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int SXNET_add_id_ulong(SXNET **psx, unsigned long lzone, const char *user,
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int userlen)
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{
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ASN1_INTEGER *izone;
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if ((izone = ASN1_INTEGER_new()) == NULL
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|| !ASN1_INTEGER_set(izone, lzone)) {
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X509V3err(X509V3_F_SXNET_ADD_ID_ULONG, ERR_R_MALLOC_FAILURE);
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ASN1_INTEGER_free(izone);
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return 0;
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}
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return SXNET_add_id_INTEGER(psx, izone, user, userlen);
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}
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/*
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* Add an id given the zone as an ASN1_INTEGER. Note this version uses the
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* passed integer and doesn't make a copy so don't free it up afterwards.
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*/
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int SXNET_add_id_INTEGER(SXNET **psx, ASN1_INTEGER *zone, const char *user,
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int userlen)
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{
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SXNET *sx = NULL;
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SXNETID *id = NULL;
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if (!psx || !zone || !user) {
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X509V3err(X509V3_F_SXNET_ADD_ID_INTEGER,
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X509V3_R_INVALID_NULL_ARGUMENT);
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return 0;
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}
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if (userlen == -1)
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userlen = strlen(user);
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if (userlen > 64) {
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X509V3err(X509V3_F_SXNET_ADD_ID_INTEGER, X509V3_R_USER_TOO_LONG);
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return 0;
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}
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if (*psx == NULL) {
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if ((sx = SXNET_new()) == NULL)
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goto err;
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if (!ASN1_INTEGER_set(sx->version, 0))
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goto err;
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*psx = sx;
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} else
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sx = *psx;
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if (SXNET_get_id_INTEGER(sx, zone)) {
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X509V3err(X509V3_F_SXNET_ADD_ID_INTEGER, X509V3_R_DUPLICATE_ZONE_ID);
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return 0;
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}
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if ((id = SXNETID_new()) == NULL)
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goto err;
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if (userlen == -1)
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userlen = strlen(user);
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if (!ASN1_OCTET_STRING_set(id->user, (const unsigned char *)user, userlen))
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goto err;
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if (!sk_SXNETID_push(sx->ids, id))
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goto err;
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id->zone = zone;
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return 1;
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err:
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X509V3err(X509V3_F_SXNET_ADD_ID_INTEGER, ERR_R_MALLOC_FAILURE);
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SXNETID_free(id);
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SXNET_free(sx);
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*psx = NULL;
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return 0;
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}
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ASN1_OCTET_STRING *SXNET_get_id_asc(SXNET *sx, const char *zone)
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{
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ASN1_INTEGER *izone;
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ASN1_OCTET_STRING *oct;
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if ((izone = s2i_ASN1_INTEGER(NULL, zone)) == NULL) {
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X509V3err(X509V3_F_SXNET_GET_ID_ASC, X509V3_R_ERROR_CONVERTING_ZONE);
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return NULL;
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}
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oct = SXNET_get_id_INTEGER(sx, izone);
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ASN1_INTEGER_free(izone);
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return oct;
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}
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ASN1_OCTET_STRING *SXNET_get_id_ulong(SXNET *sx, unsigned long lzone)
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{
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ASN1_INTEGER *izone;
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ASN1_OCTET_STRING *oct;
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if ((izone = ASN1_INTEGER_new()) == NULL
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|| !ASN1_INTEGER_set(izone, lzone)) {
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X509V3err(X509V3_F_SXNET_GET_ID_ULONG, ERR_R_MALLOC_FAILURE);
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ASN1_INTEGER_free(izone);
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return NULL;
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}
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oct = SXNET_get_id_INTEGER(sx, izone);
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ASN1_INTEGER_free(izone);
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return oct;
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}
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ASN1_OCTET_STRING *SXNET_get_id_INTEGER(SXNET *sx, ASN1_INTEGER *zone)
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{
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SXNETID *id;
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int i;
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for (i = 0; i < sk_SXNETID_num(sx->ids); i++) {
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id = sk_SXNETID_value(sx->ids, i);
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if (!ASN1_INTEGER_cmp(id->zone, zone))
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return id->user;
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}
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return NULL;
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}
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